require 'open-uri'
require 'tempfile'

require File.dirname(__FILE__) + '/regex_helpers'

#http://spys.ru/free-proxy-list/GB/
url = ARGV[0] || "http://spys.ru/free-proxy-list/GB/"

OBFUS_JS_REGEX = />(eval.*?)<\/script>/m
PROXY_REGEX = /<tr class=spy1xx?[^>]*><td[^>]*><font[^>]*>(?<number>[^<]*)<\/font>\s*<font[^>]*>(?<ip_address>[^<]+)<script type="text\/javascript">document\.write\("<font[^>]*>[^<]*<\\\/font>"[+](?<port_obfus>.*?)\)<\/script>.*?<\/td><td[^>]*>(?<type>[^<]*)<\/td><td[^>]*><font[^>]*>(?<anonymity>[^<]*)</m

source = ""
open(url).each { |l| source += l }

obfus_match = OBFUS_JS_REGEX.match source
proxy_matches = PROXY_REGEX.find_all_matches source

if obfus_match and proxy_matches.length > 0
  file = Tempfile.new('proxies')
  file.write "#{obfus_match[1]};\n"

  proxies = {}

  proxy_matches.each do |proxy|
    file.write "console.log(''+#{proxy[:number]}+','+#{proxy[:port_obfus]});\n"
    proxies[proxy[:number]] = proxy
  end

  file.close

  `node #{file.path}`.split(/\n/).each do |line|
    parts = line.split /,/
    proxy = proxies[parts[0]]

    puts "#{parts[0]},#{proxy[:ip_address]},#{parts[1]},#{proxy[:type]},#{proxy[:anonymity]}"
  end
else
  puts "Couldn't parse!"
  exit 1
end